Yes, both Horizon-ui and LangSmith offer a Free Trial.
Pricing for Horizon-ui Starts at $79/month whereas for LangSmith Starts at $0.5/month.
Horizon-ui offers several advantages, including Accelerates smart apps development, Accelerates chatbots apps development, Admin Dashboard Template provided, ChatBot creation support, Starter Kit availability and many more functionalities.
The cons of Horizon-ui may include a Requires React, NextJS, Chakra UI knowledge, Limited pre-built elements. and Potential privacy issues
LangSmith offers several advantages, including Observability for LLM apps, Testing for LLM apps, Open-source SDK, Flexible integration, Adaptable to different implementations and many more functionalities.
The cons of LangSmith may include a Limited to LLM applications, Restricted early access, Beta version risks, Relies on flexible adaptation. and No mention of cross-platform compatibility